# import math
# print(math.sin(3))
# print(math.hypot(3,4))
# print(math.tan(1))
# print(math.sqrt(16))
# print(math.pow(2,8))
# print(math.atan(6))
# print(math.floor(100200))
# print(math.pi)


# import math
# print(bin(60))
# print(oct(0b1010))
# print(float(0b1010))
# print(str(60))
# print(int(6.8))
# print(hex(100))


type(17)
print(class'int')